We will examine adaptive radiations in the context of the Hawaiian Islands Adaptive radiations Adaptive Radiations Hawaiian archipelago - the example for adaptive radiations “Getting there is half the problem . . .but then they can’t go home again” Sherwin Carlquist, 1965 Hawaiian archipelago - the example for adaptive radiations “If one were to stand at the top of Mauna Loa, he could see all the climes of the world at a single glance of the eye” Mark Twain, 1866 Hawaiian archipelago - the example for adaptive radiations “Assume nothing in Hawaiian natural history” Frank Howarth, 1992
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We will examine adaptive radiationsin the context of the Hawaiian Islands
Adaptive radiations
Adaptive Radiations Hawaiian archipelago - the examplefor adaptive radiations
“Getting there is half the problem . . .but then they can’t go homeagain”
Sherwin Carlquist, 1965
Hawaiian archipelago - the examplefor adaptive radiations
“If one were to stand at the top of Mauna Loa, he could see all the climes of theworld at a single glance of the eye”
Mark Twain, 1866
Hawaiian archipelago - the examplefor adaptive radiations
“Assume nothing in Hawaiian natural history”
Frank Howarth, 1992
Hawaiian archipelago - the examplefor adaptive radiations
Most remote island system in the world• settled in 1st millenium byPolynesians
• made known to science byCaptain Cook in 1778
Hawaiian BiotaHawaiian biota: most are found nowhere else in the world and exhibit traitsuncharacteristic of their taxa
• around 1,000 species of flowering plants
• 225 species of ferns and allies
Hawaiian biota: most are found nowhere else in the world and exhibit traitsuncharacteristic of their taxa
• nearly 5,800 species of insects
• 130 species of spiders
Kamehameha butterflyHappyface spider
Hawaiian BiotaHawaiian biota: most are found nowhere else in the world and exhibit traitsuncharacteristic of their taxa
• 230 species of birds
• 800 species of terrestrial molluscs
Land snailsKauai O’o
Hawaiian Biota
Hawaiian biota: most are found nowhere else in the world and exhibit traitsuncharacteristic of their taxa
• no amphibians
• no terrestrial mammals
Hawaiian monk sealHawaiian bat
Hawaiian BiotaHawaiian biota: extinction on-going process both in past and present